USDJPY SELL PROJECTION

What should I do if I am about to liquidate?

My usual trading system continues to fail, what should I do?

If a trading system built by myself often fails and causes losses, should I abandon this system and replace it with another one? Is there a stable and profitable trading system?

How can I have the ability to make stable profits?

How to choose between opening a position through a breakthrough and opening a position with a pullback in trading?

What do you think is the most important thing in trading?